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United States Patent | 5,746,212 |
Rall ,   et al. | May 5, 1998 |
A process for measuring vital, fetal parameters during parturition. It is essential in this process that the blood pressure of the fetus is discontinuously measured in the arterial system by carrying out the occlusion process using the annular uterine tissue and the presenting part of the fetus and a pressure sensor and a sensor sensing the blood flow characteristics.
Inventors: | Rall; Gerhard (Bozzaristr. 39f., D-8000 Munchen 90, DE); Knitza; Reinhold (Bergstr. 3, D-8015 Gauting, DE) |
Appl. No.: | 307647 |
Filed: | April 21, 1995 |
PCT Filed: | March 19, 1993 |
PCT NO: | PCT/EP93/00664 |
371 Date: | April 21, 1995 |
102(e) Date: | April 21, 1995 |
PCT PUB.NO.: | WO93/18705 |
PCT PUB. Date: | September 30, 1993 |
Mar 20, 1992[DE] | 42 09 147.0 |
Current U.S. Class: | 600/483; 600/338; 600/493; 600/495; 600/511; 600/513 |
Intern'l Class: | A61B 005/04 |
Field of Search: | 128/668,672,677,775,778,673,748,675 |
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